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Unformatted text preview: 200 Birds appear Mammals live in shadow of dinosaurs Age of dinosaurs ends 80 Prosimians, earliest primates, develop in trees 60 40 Monkeys and apes evolve 20 10 Ramapithecus, oldest known primate with apparently human-like traits, 8 evolves in India & Africa 6 Australopithecus, closest primate ancestor to humans, appears in Africa 4 Mesozoic middle life Cenozoic recent life Billions of Years Ago Millions of Years Ago Precambrian earliest era Paleozoic ancient life...
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- Summer '10